<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <my-component></my-component>
    </div>
    <script src="/JS文件/vue.js"></script>
    <script>
          Vue.component("my-component",{
        template:'<div>{{message}}</div>',
        data(){
            return {
                message:'组件内容'
            }
        }
    });
    var vm = new Vue({
        el:"#app",

    });
    </script>
</body>
</html>